Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1997-05-09
1999-12-07
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310328, 310334, H01L 4108
Patent
active
059989084
ABSTRACT:
An ultrasonic transducer for generating and transmitting ultrasonic wave energy of a predetermined frequency to the surface of an object. The head mass and the tail mass are made from ceramic materials such as silicon carbide or alumina. In a particularly preferred embodiment, the transducer stack includes a resonance enhancing disc also made from ceramic material.
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Budd Mark O.
Crest Ultrasonics Corp.
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